Oris BC3 and Big Crown ProPilot Date accuracy

Thread: Oris BC3 and Big Crown ProPilot Date accuracy

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  1. #1
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    Oris BC3 and Big Crown ProPilot Date accuracy

    Hi everyone,
    I apologize if this topic has been covered before.

    Try as I might I can not find anything from Oris (or anyone who might know) what is considered acceptable time keeping from these 2 models, as in the +/- SPD.

    My Big Crown ProPilot is running +12 spd typical, the BC3 +3/4 spd.

    Cheers, Mike.

  2. #2
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    Re: Oris BC3 and Big Crown ProPilot Date accuracy

    Quote Originally Posted by copemanphoto View Post
    Hi everyone,
    I apologize if this topic has been covered before.

    Try as I might I can not find anything from Oris (or anyone who might know) what is considered acceptable time keeping from these 2 models, as in the +/- SPD.

    My Big Crown ProPilot is running +12 spd typical, the BC3 +3/4 spd.

    Cheers, Mike.
    Hi, my BC4 os running + 4 s/D.


    Enviado de meu Moto Z (2) usando o Tapatalk

  3. #3
    Member sticky's Avatar
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    Re: Oris BC3 and Big Crown ProPilot Date accuracy

    Oris give themselves plenty of leeway when it comes to variances. I think they say that -5/+20 SPD is acceptable.

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  5. #4
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    Re: Oris BC3 and Big Crown ProPilot Date accuracy

    Quote Originally Posted by sticky View Post
    Oris give themselves plenty of leeway when it comes to variances. I think they say that -5/+20 SPD is acceptable.
    That is quite a bit of leeway alright. I wonder if it would be worth while getting the Big Crown ProPilot Date regulated by a local watch smith?

  6. #5
    Member Sparrowhawk's Avatar
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    Re: Oris BC3 and Big Crown ProPilot Date accuracy

    Quote Originally Posted by copemanphoto View Post
    That is quite a bit of leeway alright. I wonder if it would be worth while getting the Big Crown ProPilot Date regulated by a local watch smith?


    If it is not under warranty and is running at + 12 seconds per day, even though it is in spec, I would say yes.
    It wasn't this time until now. - Me.

  7. #6
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    Re: Oris BC3 and Big Crown ProPilot Date accuracy

    Quote Originally Posted by Sparrowhawk View Post
    If it is not under warranty and is running at + 12 seconds per day, even though it is in spec, I would say yes.
    Thanks all for your input. The watch goes into a local watchmaker on Tuesday to be assessed for repairs if necessary and then regulated. I should know by Thursday and I will post what the final out come will be.

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